1986 Mustang marked the last year of the SVO and its turbo charged 4 cylinder engine, due to government regulations a third break light added, two gray and two blue colors were removed, and number of engine options dropped to the 4 cylinder with and without turbo, a V6, and a redesigned high output V8. The redesigned V8 had a multi-port fuel injection system. 1986 had its largest production year since 1979 with 224,410 cars built which has not been beat since.